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  • Product description

    The legacy wheel of the disc brake-compatible Ksyrium Family now gets wider rims and a stepped-up finish for improved ride quality

    When disc brake technology started to appear on road wheels, it was natural for us to develop a disc-compatible version of our iconic Ksyrium Pro. After all, this do-it all wheel is the best choice for most rides: flat or hilly, training or racing.

    The difference with discs
    First up we needed to take into account the very different forces at work with a disc brake, and for this we benefited hugely from our long history designing mountain bike disc wheels. The main difference is braking with discs displaces the brake forces from the rim to the hub, moving them further away from the ground. Unlike a wheel with rim brakes, the braking torque is distributed through the hub, spokes and the lower rim before it can reach the ground. So the spoke dimensions and lacing pattern needs to be tuned accordingly.

    The braking load is also higher on the front wheel since the center of gravity is transferred to the front of the bike when it’s decelerating. Thus, the front wheel needs to be overbuilt with more spokes (24 instead of 18 or 20) and those spokes need to be crossed on each side of the wheel to make sure the brake torque will be efficiently and evenly distributed. The rear wheel also needs 24 spokes, but since the braking torque is generally lower, we are able to keep the Isopulse lacing (radial lacing on the drive side) to maintain a better balance of the spoke tension, thus greater stability and higher lateral stiffness.

    Reinforced rims
    The lower part of the rim is also undergoing higher stress than a rim brake wheel. This stress is about the equivalent of the pedaling torque, so what the rear rim is able to withstand in traction, it can also stand when braking. The front rim however, needs to be redesigned and gets the same dimensions as the rear rim, also benefiting from the asymmetrical design as the disc creates an asymmetry in the wheel dish.

    Our unique ISM4D technology (Inter Spoke Milling 4 Dimensions) makes sure the rim weight is kept to a minimum for better agility and reactivity when accelerating or braking. By removing extra material from the rim, where it’s not needed for stiffness or durability, we can save a lot of weight without compromising on strength. At just 1595g, the Ksyrium Pro Disc is the best possible choice for your disc brake-equipped road bike.

    Matching Yksion Pro tires
    To make sure the extra stopping power makes its way to the ground, Ksyrium Pro Disc comes with our Yksion Pro tires in 25mm. They offer a supple 127 TPI casing, Kevlar beads, a well-balanced rubber compound that offers the best blend of grip and rolling resistance and a weight of only 190grams in 23mm and 205grams in 25mm.

    The front wheel comes equipped with the Griplink version with a specific tread pattern to help evacuate water when cornering, to increase confidence and speed in difficult conditions. It also offers a very strong Kevlar puncture protection for added safety. The rear wheel comes with the Powerlink version which sports a more supple nylon puncture protection instead of the Kevlar one to lower rolling resistance. And to reduce rolling resistance even further, the tread pattern is optimized to reduce the pressure on the ground. Water is evacuated efficiently through a centre channel to improve traction and efficiency in wet conditions.

    Highly compatible
    The front wheel is compatible with the three existing retention systems. It is delivered ready for 12mm through axle, but can be converted to quick release or 15mm through axle using optional adapters. Thanks to the use of our light, fast engagement Instant Drive 360 hub system, the rear wheel is compatible with 12x142 axle. It can be converted to quick release with optional adapters.
    The freewheel is Shimano/Sram compatible and can be converted to Campy or Sram XD-R compatible driver bodies. As for rotor mount, both International 6 Bolts and Center Lock are available.

    Key Benefits:

    Improved ride quality

    • 17 mm internal rim width increases air volume
    • Large volume GripLink and PowerLink tyres increase comfort, rolling efficiency and grip
    • Zicral spokes and Fore drilling improves lateral stiffness

    Low weight and high efficiency

    • ISM 4D rim machining makes for superlight rims
    • Zicral spokes and Instant Drive 360 freewheel system lower overall weight while maintaining stiffness, giving you low friction and fast engagement

    Smartly adapted to the constraints of disc brakes

    • 24 spokes front and rear for perfect brake torque distribution
    • Front hub convertible from 12mm through axle to quick release or 15mm through axle (with optional adapters)
    • Rear hub convertible from 12x142 through axle to quick release (with optional adapters)
    • 6 Bolts or Center Lock
    • Also XD Road compatible, with an optional driver body

    Weight

    • Tyre 700x25: 210 grams
    • Pair without tyre: 1595 grams
    • Front without tyre: 730 grams
    • Rear without tyre: 865 grams

    Technologies

    • GripLink
    • PowerLink
    • ISM 4D
    • Instant Drive 360
    • SUP
    • Isopulse
    • Maxtal
    • Fore
    • QRM+
    • Zicral

    Rim Profile

    • Ksyrium Pro Disc

    Tyre

    • Casing: 127 TPI
    • Front and Rear Tread: Single Compound
    • Yksion Pro GripLink (front) & PowerLink (rear)
    • Dimension: 25-622 (700x25c)
    • Breaker: Front Kevlar, Rear polyamide

    Intended Use

    • Recommended tyre sizes: 25 to 32 mm
    • Max. Pressure: 25mm 7.7 bars - 110 PSI
    • ASTM CATEGORY 2 : road and offroad with jumps less than 15cm
    • For a longer longevity of the wheel, Mavic recommends that the total weight supported by the wheels don't exceed 120kg, bike included

    Versions

    • Disc standard : 6 Bolts or Center Lock(R)

    Compatibility

    • Freewheel: Shimano/Sram, convertible to Campagnolo and XD-R with optional driver bodies
    • Front axle: convertible from 12mm thru axle to quick release or 15mm thru axle with optional adapters
    • Rear axle: 12mm thru axle, convertible to Quick Release with optional adapaters

    Rims

    • Weight reduction: ISM 4D
    • Height: 26mm, asymmetrical
    • ETRTO size: 622x17C
    • Material: Maxtal
    • Joint: SUP
    • Drilling: Fore
    • Tyre: clincher
    • Valve hole diameter: 6.5 mm
    • Disc brake specific profile
    • Internal width: 17 mm

    Spokes

    • Material: Zicral
    • Count: 24 front and rear
    • Nipples: Fore integrated aluminum
    • Lacing: front crossed 2, rear Isopulse
    • Shape: straight pull, bladed

    Hubs

    • Freewheel: Instant Drive 360
    • Rear: convertible to 12mm through axle (135 and 142)
    • Front: Quick release, 12 and 15mm through axle compatible
    • Adjustable sealed cartridge bearings
    • Axle material: aluminum
    • Front and rear bodies: aluminum

    Delivered With

    • Specific disc bolts
    • Multifonction adjustment wrench
    • Rear 12x142mm adapters for Instant Drive 360
    • Front 12 mm adapters
    • User guide

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